/* This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package net.sf.l2j.loginserver;

import java.nio.channels.SocketChannel;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

import net.sf.l2j.loginserver.serverpackets.Init;
import net.sf.l2j.util.IPv4Filter;

import org.mmocore.network.IAcceptFilter;
import org.mmocore.network.IClientFactory;
import org.mmocore.network.IMMOExecutor;
import org.mmocore.network.MMOConnection;
import org.mmocore.network.ReceivablePacket;

/**
 * 
 * @author KenM
 */
public class SelectorHelper implements IMMOExecutor<L2LoginClient>,
		IClientFactory<L2LoginClient>, IAcceptFilter {
	private ThreadPoolExecutor _generalPacketsThreadPool;
	private IPv4Filter _ipv4filter;

	public SelectorHelper() {
		_generalPacketsThreadPool = new ThreadPoolExecutor(4, 6, 15L,
				TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());
		_ipv4filter = new IPv4Filter();
	}

	/**
	 * @see org.mmocore.network.IMMOExecutor#execute(org.mmocore.network.ReceivablePacket)
	 */
	public void execute(ReceivablePacket<L2LoginClient> packet) {
		_generalPacketsThreadPool.execute(packet);
	}

	/**
	 * @see org.mmocore.network.IClientFactory#create(org.mmocore.network.MMOConnection)
	 */
	public L2LoginClient create(MMOConnection<L2LoginClient> con) {
		L2LoginClient client = new L2LoginClient(con);
		client.sendPacket(new Init(client));
		return client;
	}

	/**
	 * @see org.mmocore.network.IAcceptFilter#accept(java.nio.channels.SocketChannel)
	 */
	public boolean accept(SocketChannel sc) {
		return _ipv4filter.accept(sc)
				&& !LoginController.getInstance().isBannedAddress(
						sc.socket().getInetAddress());
	}

	/**
	 * 
	 * @param ip
	 * @return
	 */
	public static int hash(byte[] ip) {
		return ip[0] & 0xFF | ip[1] << 8 & 0xFF00 | ip[2] << 16 & 0xFF0000
				| ip[3] << 24 & 0xFF000000;
	}

	public static class Flood {
		public long lastAccess;
		public int trys;

		public Flood() {
			lastAccess = System.currentTimeMillis();
			trys = 0;
		}
	}

}